K1swl. November 2012 um 14:18; DJ4DI; 23.

K1swl This project chronicles the design of such a transceiver using an inexpensive Raspberry Pi Pico controller to achieve 20- 30 dB signal path improvement over Dave, K1SWL, and the other good folk responsible for the Phaser maintain an excellent web-site for their rig. In accordance with EU regulations, we insure our customers that this website does not use cookies. The Hilltopper is a high performance CW transceiver for the 30M meter band. Upon retirement, Dave graciously offered the kit to us to continue production. Charles W. Click photo for Larger Image Four State is very pleased to continue the availability of Dave Benson K1SWL's famous Freq-Mite frequency counter. 31 January 2022 6 important to ensure that the on-board connectors are installed ‘square and plumb’ to the PC board surface. The OLD FRIEND is capable of transmitting and receiving on the 80m, 40m, 30m, or 20m bands. The RockMite, so called because it was crystal controlled (‘rock’ and small ‘mite’), was given away as an attendance gift to all Lobstercon 2002 attendees. This project pays homage to our early days in QRP. Benson, K1SWL 02/12/04 p. Dezember 2019 um 07:59; Hs0zfe; 15. The PHASER is a single-board, 4-watt SSB radio specifically designed for Dave Benson K1SWL, founder of the renown Small Wonder Labs, listened to you and has designed a 40 meter version of his winning Hilltopper design. com/Phaser THIS PAGE INTENTIONALLY LEFT BLANKish Allows the Research for CCW encoding and detection algorithm improvement is continuing with David Kazdan AD8Y, professor at Case Western Reserve University, Dave Benson K1SWL, and Peter Eaton WB9FLW. com/OLD_FRIEND Table of Contents Getting calls from a couple of fellow QRPers I haven’t worked in a while: Dave K1SWL and Fred KA4RUR; Although my location wasn’t all that great, it was a fun activation this morning. Four States QRP Kit Team: Members of Four States QRP Group volunteer their time to package and market the kits sold by 4SQRP. 0 µH in the RockMite design; the corresponding parts in our designed filter are 1. Ham Member Lookups: 22137 : Biography; Detail; Logbook; Log a NEW contact with : 13426315 Last modified: 2023-06-05 01:26:04, 9613 bytes . 2 of 2 8/30/2010 Dave Benson, K1SWL ‘Retro-75 Instructions Jan 18, 2011 Page 10 Page 11: Pictorial Drawing ‘Retro-75 Instructions Jan 18, 2011 Page 11 Page 12: Schematics DSW-II-80 Transceiver kit -Instructions D. Matching Rockmite][ style enclosure for your TEXAS Topper! Tim Carter, W3ATB, fights the wind as Dave Benson, K1SWL, tries to hear radio operators on the southwest shore of Newfound Lake in central New Hampshire. Benson, K1SWL 06/09/04 p. The PMK already has a rich and flexible base hardware I/O -- meaning that it has pushbuttons, I/O jacks, LEDs, potentiometer, sound output and an incredibly powerful and inexpensive microcontroller that may be programmed using numerous languages to perform designated tasks. 7 August 2018 21 Receiver Schematic: The ‘Hilltopper-40’ Transceiver K1SWL rev. Theory of operation This transceiver is a single PC-board design measuring 2. Login is required for additional detail. Author WB3GCK Posted on November 16, 2024 Categories Operating Tags portable, POTA, WWFF. The PHASER is a single-board, 4-watt SSB radio specifically designed for Il a été conçu par Dave Benson, K1SWL, qui a également conçu le Mountain Topper et de nombreuses autres radios influentes au fil des ans. Login Required. The basic rig is a Small Wonders Lab SW30 (Dave Benson, K1SWL design) with some enhancements, most notably, a coupled resonator filter in the receiver front-end, a 4-pole crystal filter (original design had 3-poles), and an audio amplifier suitable for driving a speaker. The ‘Old Friend’ Direct-conversion Transceiver A single-board, 5-watt, CW transceiver for use on 80, 40, 30, or 20 meters by Dave Benson, K1SWL 73- Dave Benson, K1SWL. 3 Happy to announce that both iambic keying modes ‘A’ and ‘B’ are working flawlessly now in the K1SWL PicoMite Memory Keyer!. He was the designer and entrepreneur behind Small Wonder Labs, the manufacturer of some of the most popular low-power (QRP) transceivers ever created. Rückzug auf Raten ? DJ4DI; 23. Bij elk huis vind je ook buurtinfo en de gem. MidnightDesignSolutions. Dave Benson, K1SWL, was also in the audience. QRPme's Rock Topper 5 watt RF Amplifier! Rock Topper ENCLOSURE upgrade. El transceptor incorpora un keyer iámbico preprogramado en un microcontrolador 12C508A su alimentación va desde los 8 a los 15v dc Many of you may remember Dave Benson, K1SWL. 150 MHz Frequency coverage: 7. 37 uH 3. I look forward to Dave Benson K1SWL, founder of the renown Small Wonder Labs, listened to you and has designed a 40 meter version of his winning Hilltopper design. Ontdek alle huizen te koop in De Haan (8420) op Zimmo. Apparently Figure 1: CCW 'engine' on red pcb shield mounted atop K1SWL PicoMite Memory Keyer . QRPme's 15m version of K1SWL's Rockmite transceiver! RM][ 10m. QSL: LoTW or Direct- no SASE needed. Benson, K1SWL Small Wonder Labs 2/9/2007 Page 7 [ IMAGE SCANNED FROM ORIGINAL DOCUMENT D. 3560,3579,7015,7030,7040,7122,10106 y 14060 khz. All Messages By This Member #16542 Edited. Yesterday, the day after Thanksgiving, I had the rare opportunity to do outdoor radio with three seasoned QRP operators: W1PID - Jim Cluett, K1SWL - Dave Benson and W1JSB - Hanz Busch. cap epoxy, ‘272’ 11 C21, 33-35, 102-105, 108, 109, 111 . Four State QRP Group is honored to have been selected to kit the If you are an ARRL member and read QST, you'll know that Dave Benson K1SWL has designed and published a real nifty project this month called the PicoMite Memory Keyer: a Pi Pico-based Morse keyer with some quite amazing features. Benson, K1SWL Small Wonder Labs 2/9/2007 Page 9: Pictorial The Hilltopper-40 Transceiver K1SWL rev. Posting of I got my "Old Friend" transceiver kit from MidnightDesignSolutions a few days ago, shipped in a padded envelope. Bend this Designed by Dave Benson, K1SWL . “There comes a time in everyone’s career when they’ve ‘had enough!’ I’ve reached that point,” SWL founder Dave Benson, A customized case for K1SWL's Old Friend CW transceiver by Midnight Design Solutions with OpenSCAD source files. He contrib-uted to a number of displays programs in the airborne military environment in Honeywell s Phoenix and Albuquerque divisions. Dave Benson, K1SWL, is a retired electrical engineer. . com/2022 Spent the evening trying to figure out a way to add fine tuning to the Rockmite, not much success, but i will continue to try. cap band on case is negative 2 C27, 106 47 uF All the while that Midnight Design has been gathering parts from around the world, and sorting and pasting them onto little cards to ease your assembly experience, designer Dave Benson K1SWL has been busy working on software improvements in his Fortress of Solitude up in New Hampshire. The 4SQRP buyer, Joy NQ5R, purchases the parts which are shipped to the individual kitters who Upon retirement, Dave, K1SWL, graciously offered the kit to us to continue production. So, for what it's worth, here are some photographs of how I did mine. The KB6NU Keyer is an electronic device for sending Morse Code. He had several interesting kits and products for hams, some of which have been sold or transferred to others when Mr. Le Phaser présente plusieurs avantages par rapport aux plates-formes DSB, mais certains compromis doivent encore être examinés. Designed by Dave Benson (K1SWL) and sold by Midnight Design Solutions, it is a fun and rewarding kit to build. com/2022 I am also in the process of building Dave Benson’s (K1SWL) Phaser Digital Mode QRP Transceiver kit for the 30 meter band. The box interior is lined with copper foil. This item is in the category “Consumer Electronics\Radio Communication\Ham, Amateur Radio\Ham Radio Transceivers”. Dave reports that both 10M and 15M perform identically. 3 uF 50V radial elec. 2 of 2 D. An Oregon-based 509(a)(2) Public Charity for Scientific Purposes organization Club Call Sign WQ5RP Hilltopper 20 Designed by Dave Benson K1SWL. Jetons un coup d’œil à la conception et décomposons-en les Such is the case we have provided for the K1SWL "PicoMite Memory Keyer". Varactor diode circuit modification. The 4SQRP buyer, Joy NQ5R, purchases the parts which are shipped to the individual kitters who count, inventory, bag and ship the kits as orders come in. Benson, K1SWL Small Wonder Labs 11/1/2009 1 Instructions The “SW - 20+” 20 Meter Superhet Transceiver Kit Thanks! For purchasing one of the Small Wonder Labs “SW-20+” transceiver kits. As a result, any switching frequency energy superimposed on the DC power supply will modulate the local oscillator signal. toggle quoted message Show quoted text On Dec 21, 2020, at 9:37 AM, David Hall <dah@> wrote: I've now managed to NorCal QRP Club, Inc (NorCalQRP) QRPp Journal of the Northern California QRP Club Our Visitors INSTRUCTION MANUAL (for 15m) K1SWL “Phaser-15 Digital Mode Transceiver” 3 www. The kits are The OLD FRIEND Transceiver™ is a single-board, 6 Watt Direct-Conversion Transceiver specifically designed by Dave Benson, K1SWL for CW operation on the 80m, 40m, 30m or 20m bands. An Oregon-based 509(a)(2) Public Charity for Scientific Purposes organization Club Call Sign WQ5RP HiMites are next-generation transceivers based on the Rock-Mite from SWL designed by Dave Benson, K1SWL. Return To Installation Suggestions Page Return to Freq-Mite page I didn't see this mentioned anywhere, so I thought I'd send a note to the list. When Dave retired from the task some time ago he was sure to hand it off to someone he (and we all) could trust to be a good steward Dave Benson K1SWL, founder of the renown Small Wonder Labs, listened to you and has designed a 30 meter version of his winning Hilltopper design. I’m not averse to dabbling in other modes, though. BEFORE YOU START Before getting started with building the Hilltopper 40, take some time to organize and Parts List (continued) 1 C25 820 pF mylar cap ‘821’ 2 C26,C38 . That should turn the RF gain down considerably! I’ve already done the sidetone mod, togel macau hari ini dan toto macau 4d menjadi yang terpopuler dengan hasil pengeluaran macau prize dan keluaran macau pools dalam sajian lengkap data macau 2024 melalui siaran sah result macau. The Old Friend ("OF") incorporates newer technology in the form This saves a lot of knob-twisting if you usually work the low end of 20M The ‘Hilltopper-20’ Transceiver K1SWL rev. The goal is to duplicate the functionality of the K3NG Keyer. 01 4 5V V+ U3-A U3-B H 5V E F 5V 4. His interest in QRP stems from the earliest days, with a 2N706 rig making contacts on the 80M Novice band. It is the perfect solution to your portable operation Kaufte einen 'Hilltopper 40' von Dave, K1SWL. There is a newly designed transceiver available from MidnightDesignSolutions. In these informative, instructional and interactive sessions we will be chronicling the design, construction and analysis of the famous SW30+ Transceiver by Dave Dave Benson working a modest pileup of POTA and WW-FF chasers who want to get this fairly rare entity in their logs. I wrapped up 2024 and welcomed the new year with a pair of POTA/WWFF activations. Dave (K1SWL) is a regular here on QRPer and he might even If anyone has an unbuilt genuine K1SWL kit they would like sell, I'm interested. April 2010 um 11:24; DJ4DI; 10. Dave Benson K1SWL, founder of the renown Small Wonder Labs, has come up with another winning design. Indeed, there is some interesting hardware around us but that also suggests that any ham worth his salt could homebrew a CW rig. Dave Benson, K1SWL, was the founder of Small Wonders Lab the birthplace of the QRP Rockmite radio. I took a relaxing evening yesterday and built it, so I thought I'd give some feedback. For homebrewers, a functioning D-C rig was a real accomplishment in those days. Retro-75 - Neuer Bausatz von Small Wonder Labs 2. Measures 2. First licensed in 1967, he mercifully doesn't remember his first few Novice QSOs. 11 software is available for download from the PMK webpage and may be immediately used. 2 watts out, and this occurs at about 25% pot rotation on R10. Click on the thumbnails to view larger images. I thought I Dave Benson, K1SWL. The Hilltopper is a high performance CW transceiver for the 20M meter band. 4 Spare ground pads are provided next to Y1 and Y2. Field Report - W9FHA Dave Benson K1SWL, founder of the renown Small Wonder Labs, listened to you and has designed a 40 meter version of his winning Hilltopper design. This kit was designed by Dave Benson of Small Wonder Labs (K1SWL). Share this: Twitter; Facebook; Like Loading Related. He stumbled across an ARCI Sprint while camping ASSEMBLY & OPERATING MANUAL _____ K1SWL ‘OLD FRIEND’ Instruction Manual, Jan 2, 2025 2 http://www. David Benson Newport 03773 United States, NH The little RockMite was designed and sold by Dave Benson, K1SWL, for many years. com/OLD_FRIEND SPECIFICATIONS So when we (CWTD) wanted to run a series of episodes on the Elmer 101 course, K1SWL again stepped up and empowered us to produce a limited run of his SW30+ design for all CWTD followers to learn from by building and testing his still-popular little rig! Quick Specs: Single board design creation of Dave Benson, K1SWL. cap epoxy, ‘104’ 1 C110 3. 8” x 4. CCW Shield must be installed. It is the perfect solution to your Welcome to the web home of the Four States QRP Group, devoted to low power (QRP) amateur radio building and operation. A solder wick, solder “sucker”, or other desoldering tools 2. Powell. Since the first round has been in the wind for a month or so, there has been plenty of chatter about this kit and all of it has been good. com/OLD_FRIEND Old Friend Parts Kit: ASSEMBLY & OPERATING MANUAL _____ K1SWL ‘OLD FRIEND’ Instruction Manual v2. Order the CWTD SW30+ Kit, Enclosure Kit, and the Freq-Mite. I am also in the process of building Dave Benson’s El kit lo podremos encontrar en la pagina de K1SWL con los cristales para las siguientes frecuencias,tendremos que especificárselo a la hora de realizar nuestro pedido. com/Phaser Table of Contents PREPARATION FOR ASSEMBLY . The case could use a cleaning and it has missing screws. It is the perfect solution to your portable operation needs - small, lightweight, wide The Small Wonder Labs RockMite design grew out of K1SWL's desire to offer a one-evening CW transceiver kit which would be both affordable and easy to construct. More importantly, they also have a Groups. Along with his SW+ transceiver series, the Freq-Mite is one of his signature designs. Ensure that Q2- 2N7000 This part is static-sensitive DSW-II-80 Transceiver kit -Instructions D. Lay the board down on a flat surface and stand a leftover component lead upright in each hole. 3 µH. 5 I've had my Small Wonder Labs SW20+ kit from Dave Benson, K1SWL, for a few month's now. 0” (7 x 10 cm). com/Phaser Phaser Parts: Refer to the Parts List shown in The ‘Hilltopper’ Transceiver K1SWL rev. This energy will effectively This is, of course, a White Mountain Series SSB Transceiver by the amazing Dave Benson (K1SWL)! As soon as I read the first reply, it jogged my memory. George N2APB. He also holds several US pat-ents. K1SWL USA. Overview . See below 73, George N2APB ===== We are pleased to announce a new line of kits called the "Phaser Digital Mode Transceiver", designed by Dave Benson, K1SWL. Building over a cookie K1SWL is known all over the world and in New Jersey as the proprietor of Small Wonder Labs, a QRP kit vendor. Hello George, do you have a Mouser p/n for the gps device (or, better still, a BOM)? Will it display on the OLED? Somewhere else?-- --Tnx Tom VE3NY. C15 and C19 in the RockMite design INSTRUCTION MANUAL (for 40m) K1SWL “Phaser Digital Mode Transceiver” 3 www. I haven't really been inspired to build it for some reason, but from reviews, it is supposed to be a great radio. 3 Dave Benson, K1SWL, recommends connecting to the top of R17. The audio amplifier found fame later as the "K8IQY Islander Amp" kit sold by the NJ QRP club. The name, 'Nouveau 75', is a nod to the legendary 'Retro 75', AM transceiver designed by Dave Benson, K1SWL. Here is today’s posting that is a must-read, submitted by Dave Benson (K1SWL), in which he features an amazingly productive POTA outing up in NH using his Old Friend Transceiver. com/2wznryy9 Small Wonder Labs was run by Dave Benson, K1SWL. It is a monoband DC transceiver, available in a few different bands, designed by Dave K1SWL. How this will Granted I’ve not used either of the ICxxx rigs (I have used K3, KX3, KX2, K1SWL Phasers) with both FTDI USB cables, or stand-alone el-cheapo USB dongles, and have never had to mess around with any sort of driver for the OS. 8V 7 47 uF 3 C1 1 L1 C2 T1* * Internal cap left intact D2 D1 D3 D4 C101 C3 C4 C5 L2 C6 C7 C8 C9 L3 Y1 Y2 Y3 ----------------- Group Description ----------------- To promote the interactive exchange of ideas, modifications, trouble-shooting help, operating tips and QSO scheduling for users of the great little Rock-Mite and HiMite QRPp transceivers originally designed by Small Wonder Labs (K1SWL). Mine went together without any problems but I recall pondering a few things about component placement during assembly. This work included graphics overlay on sensor videos, as well as MIL-STD-1553B terminal design. The "PMK" as he calls it is inexpensive, flexible and just plain fun to operate, with an added bonus of running From Four Days In May FDIM 2021, the conference of QRP Amateur Radio Club International. K1SWL "PicoMite Memory Keyer" A Modern COHERENT CW Transceiver" Feature-rich board memory keyer, An extreme low-power CW communications K1SWL. io group (like the old Yahoogroups) for the Phaser where you can get help, advice, and tips. : : ) C1. The seller is “seattlemichael” INSTRUCTION MANUAL (for 20m) K1SWL “Phaser Digital Mode Transceiver” 3 www. Phasers were available for most all of the HF bands, put out between 3 to 5 watts, and in addition to FT8, have the ability to program a second frequency to operation other digital modes such as PSK-31. Several things drew me to the Rockmite, including a simple design, the time it has been on the market and the number sold, and the large online community of users Benson, K1SWL. BEFORE YOU START Before getting started with building the Hilltopper 40, take some time to organize and Welcome to the web home of the Four States QRP Group, devoted to low power (QRP) amateur radio building and operation. Benson, K1SWL 02/12/04 Page 9 Select the heat- C20- . The price of the kits pays for the parts, and also provides a modicum of profit to fund our I am also in the process of building Dave Benson’s (K1SWL) Phaser Digital Mode QRP Transceiver kit for the 30 meter band. NorCal QRP Club, Inc (NorCalQRP) QRPp Journal of the Northern California QRP Club Our Visitors Dave Benson K1SWL, founder of the renown Small Wonder Labs, listened to you and has designed a 30 meter version of his winning Hilltopper design. The shield's GPS first needs to 'lock', then displays date, time and "CCW Tx Rdy" when ready PB #5 is the "PTT" switch. Several years ago, Dave decided that it was time to retire and close his business, much to the disappointment of many in the QRP community. 0c 4 http://www. 01 uF ceramic disk ‘103M’ 1 C19 . 5 DSW-II-80 Schematic, p. Benson, K1SWL Small Wonder Labs 2/9/2007 Page 8 [ SCANNED FROM ORIGINAL DOCUMENT ] D. 60 mA. 7 August 2018 22 From Dave Benson, K1SWL: The local oscillator does not have its own supply voltage regulation. At one point, Dave, K1SWL, offered a silk screened case for the kit, but sadly this is no longer available. Built in a "recipe box" that was obtained from Hobby Lobby. It first appeared at Lobstercon2002! - a QRP gathering on the Maine coast- in early July, 2002. Go here for more: https://w3atb. 350 MHz Frequency coverage: 10. He’s been performing measurements at 3. As if it needs more familiarity, it looms over I-91 only three miles from the Connecticut river. It is the perfect solution to your K1SWL USA. Given the dual-triple relevance of this for the CWTD audience, I’m pleased to re-post it here. FEATURES: Power Requirement: 11 to 14 VDC, Receive current: 120mA, typical Transmit Current: 600mA unmodulated, 2. CCW jumper must be ON. A 20m version would be good otherwise any band. Randy says: November 9, 2024 at 9:02 am ‘Just K1SWL Memory Keyer : GPS Tom Corcoran. com/gardner-memorial-waysi Dave Benson K1SWL, founder of the renown Small Wonder Labs, listened to you and has designed a 40 meter version of his winning Hilltopper design. This new kit was designed to fill that market niche. Welcome to the kickoff episode of our Elmer 101 series!. At this time, there appear to be very few Meshtastic radios operating in New Hampshire. 15 October 2018 Page 21: Receiver Schematic Receiver Schematic: The ‘Hilltopper-20’ Transceiver K1SWL rev. Let me know by private eMail if you would please. Designed by Dave Benson, K1SWL . 0022 uF poly cap sink orientation which results in the lower C18- . All Messages By This Member #16543 Hi Tom, Good going on your success with the PMK INSTRUCTION MANUAL (for 40m) K1SWL “Phaser Digital Mode Transceiver” 6 www. I believe the photo Todd sent above face-on threw me a bit; I think I would have recognized more readily had it been a shot showing the size of the radio. Each of 40M QRP K1SWL Rock Mite Rockmite Amateur Ham Transceiver. K1SWL has the Phaser-II running on 10M and 15M and we have a draft set of Instruction docs in final stage of editing for both. 73, George N2APB & Dave K1SWL Amateur Radio Kits and Projects Website. I chose the 30 meter band as it is specific to CW and the digital modes. Passive QRZCQ. The ‘Hilltopper-40’ Transceiver K1SWL rev. It receives and transmits. ESTATE FIND WITH INCLOSURE KIT RARE FIND Dave Benson K1SWL QRP digital 30 Meter Kit Transceiver Ham Radio Midnight Design solutions THANKS JERRY HOMEBASEGB13 The "Old Friend" is a single board CW transceiver kit for amateur radio operators. INSTRUCTION MANUAL (for 40m) K1SWL “Phaser Digital Mode Transceiver” 3 www. Four State QRP Group is honored to have been selected to kit the new transceiver. 10/22/2013. All Messages By This Member #309 Dave, The chip is a ‘drop in’ replacement for the current chip? Send me one and I will send you the cost by PayPal. Not that it really needed much. A circuit board vice 40M QRP K1SWL Rock Mite Rockmite Amateur Ham Transceiver. Benson, K1SWL 02/12/04 This stage is configured as a bandpass filter centered at 800 Hz. | Download free 3D printable STL models Dave Benson's, K1SWL, nifty Rock-Mite QRP transceiver. 000 to 7. Friday, October 6, 2023, was such an occasion. Jim may have been one of the first New Hampshire residents to adopt this 10/22/2013. One by Dave (K1SWL) I’m pretty much a died-in-the-wool CW guy. This rig K1SWL working Belgium . Instead of the Arduino used by the K3NG Keyer, the KB6NU Keyer will use the Wow! It’s hard to believe 2024 has come and gone. 8V 4. The Phaser is a small digital mode transceiver designed by Dave Benson, K1SWL with the enclosure the design of AA0ZZ, Craig Johnson. 5A peak, typical Antenna: 50 ohms at < 1. The price is more in line with my budget gag level, about $125, and available from the 4 States QRP Group. 01. 3 (The designers of the RockMite, K1SWL and W1REX, are likely a lot smarter about filter design than I am, so we’ll take it on faith that their value selections are better. It was provided to all attendees courtesy of Small Wonder Labs and the NorCal QRP club. 72, Craig WB3GCK. Since the transceiver possesses from house no frequency counter, it ESTATE FIND WITH INCLOSURE KIT RARE FIND Dave Benson K1SWL QRP digital 30 Meter Kit Transceiver Ham Radio Midnight Design solutions THANKS JERRY HOMEBASEGB13 ASSEMBLY & OPERATING MANUAL _____ K1SWL ‘OLD FRIEND’ Instruction Manual v2. The colored-in states on the map are by designer Dave Benson K1SWL of Small Wonder Labs. . Managed to find a way to tune the receiver of the Rockmite thanks to an idea from one of my subscribers. In a nice little case. The WX was forecast to be RockMite Assembly Instructions 4 Also helpful are: 1. 8 October 2018 5 diode D7, which is *under* the Si5351 board. Imagine how exciting it would be to copy a solid 599 signal when you hear nothing but the noise floor. Kearsarge in Winslow, NH. QRPme's 10m version of K1SWL's Rockmite transceiver! PicoKeyer-RM. cap ‘222’ 3 C4-6 2700 pF NPO mono. cap ’333’ 7 C20, 24, 36, 101, 107, 113, 114 0. It is my hope and desire that our work may result in a low-cost Coherent CW transceiver design that can be productized to serve a useful role in the weak My build of Dave Benson K1SWL's QRP CW transceiver, a novel design with a number of innovations. Its also important to ensure that the on-board connectors are installed square and plumb to the P board surface. midnightdesignsolutions. 2K D11 D12 C113 C114 75M AM Transceiver - p. The Hi-Mite 20 is a great little 20-meter QRP transceiver from Dave Benson, K1SWL. 1 uF mono. However, an enclosure is highly desirable. Dave Benson K1SWL and we're finally ready to announce it here on CWTD (which will be the Discussion list for it too). 033 uF poly cap vertical height above the board. Jim brought two tiny transceivers that were transmitting and receiving on the Meshtastic frequency band of 902-928 MHz here in the USA. Hs0zfe; 15. com/OLD_FRIEND SPECIFICATIONS KB6NU_Keyer. All the best! D. 033 uF disk or mono. The high gain of the two AF D . It features VFO operation with a 35- kHz tuning range, as well as QSK (full break-in) operation. 2K IRF530A 1200 1200 100K 2. C15 and C19 in the RockMite design match perfectly to the For readers that are newer hams, OM K1SWL is the designer of a whole bunch of really cool QRP gear, which he offered through his “Small Wonder Labs” project. When Dave retired from the task some time ago he was sure to hand it off to someone he (and we all) could trust to be a good steward 'Rock-Mite-20' Transceiver kit instructions D. 0022 uF NPO mono. As announced by the Four States QRP Group today:The Four State QRP Group is very pleased to announce that Dave Benson's, Freq-Mite kit has been added to the lineup of Four State kits. Depending on the switching supply, this energy may result in LO energy within the 40M SWBC segment. Latest Rockmite PicoKeyer ver44Q Keyer chip Rock Topper. Kits start shipping on/before the end of September. vastgoedprijzen in de regio. We’ll now be moving on to adding about FIVE new features. 3560,3579,7015,7030,7040,7122,10106 y 14060 DSW-II-80 Transceiver kit -Instructions D. com data from public FCC DB. DC). Jim / W6JHB. The ‘Hilltopper’ Transceiver K1SWL rev. I’d noted that there’d been little recent Digital activity in one of our area’s Parks. 300 MHzTuning: 100 Hz /20 Hz steps Transmitter power output: 5W nominal Receive current draw: approx. 0a 6 http://www. From Dave Benson, K1SWL: The local oscillator does not have its own supply voltage regulation. email: davek1swl at gmail. Benson retired. The official production version 2. 31 January 2022 2 Features: Frequency coverage: 14. 100 to 10. K1SWL Memory Keyer : GPS Tom Corcoran. Overview. BEFORE YOU START Before getting started with building the Hilltopper, take some time to organize and familiarize yourself with the parts provided and check them against the Parts List. First Contact! (Sam KV4XY) Click photo (Note the mic input to PC is too hot Must reduce mic gain. 000 to 14. Thanks, Should've hun By Chuck Carpenter · Sunspot Progression Cycles 23 to 25 Up to April 2023 and better than cycle 24 so far and may be better than cycle 23 when the RM was introduced in ASSEMBLY & OPERATING MANUAL _____ K1SWL ‘OLD FRIEND’ Instruction Manual v2. Dezember 2019 um 07:59; Antworten 0 Zugriffe 1,2k. com/Phaser Table of Contents Contents INTRODUCTION . A DSW-20 with panel art commemorating the USS Kidd. At this time, there appear to be very Dave Benson, K1SWL, came up with the RockMite design. 0b 4 http://www. 01 U2 2 1 3 8 5 6. This kit is an updated version of the classic ‘40-40’ transceiver board which originally appeared in the November 1994 issue of QST. Email: Login required to view. 16 April 2020 2 Features: Frequency coverage: 14. We decided to meet at Winslow State Park on the northwest flank of Mt. Also, a 30 meter antenna is a bit smaller than one for 40 meters and the band is open most 30m CW Transceiver - K1SWL # 40m CW Transceiver - K8IQY # 50 MHz SSB Transceiver - KD1JV # 75m QRP SSB Transceiver - WA7JHZ # 80m All-BC547 SSB Transceiver - VK3AJG # PSK31 Transceiver - KD1JV # CB AM Receiver-Transmitter # 10 MHz QRP Transceiver - PA2OHH # 40m CW Transceiver - PY2MG # 40m CW/DSB Transceiver - El kit lo podremos encontrar en la pagina de K1SWL con los cristales para las siguientes frecuencias,tendremos que especificárselo a la hora de realizar nuestro pedido. Solder on the top side of the board and trim the lead length to 4-5 mm. Since production of the Retro 75 ended, there have been no AM QRP kits available to take its place. Also, a 30 meter antenna is a bit smaller than one for 40 meters and the band is open most anytime of the day. Four State QRP Group My build of Dave Benson K1SWL's QRP CW transceiver, a novel design with a number of innovations. com. Due to age and hobby kit built it is listed as is. My schematic is here: https://vk3hn. 8 October 2018 ᓝHilltopper-40’ ᓝᓝᓝᓝᓝᓝ 40M CW ᓝᓝᓝᓝᓝᓝᓝᓝ 4ᓝStateQRP The Hilltopper-40 Transceiver K1SWL rev. It is the perfect solution to your Page 10 2. Install it before you add the Si5351 board. INSTRUCTION MANUAL (for 15m) K1SWL “Phaser-15 Digital Mode Transceiver” 2 www. Although there is a very nice enclosure for the transceiver as an option, it wasn't initially available. Benson, K1SWL 2/11/2004 47 uF 2 3 8 1 4 6 5 7 A p/o J5 2 U1 2 1 3 8 5 6. The link to the presentation material is: https://tinyurl. November 2012 um 14:18; Antworten 0 Zugriffe 2,2k. All the best! Digital Mode Transceiver", designed by Dave Benson, K1SWL. April 2010 um I wanted to build a lightweight backpackable transceiver I could take hiking and camping. After rolling into the parking lot, I set up a 12-foot loaded whip on my truck. A QRP ARCI Hall of Famer, and renowned and multi-published QRP designer of Dave Benson K1SWL, founder of the renown Small Wonder Labs, listened to you and has designed a 40 meter version of his winning Hilltopper design. These gadgets included the DSW-II and SW+ transceivers, the “Warbler” PSK31 transceiver, and the radio that ate the world, the Rockmite! Legend! Reply. Dave, K1SWL, and the other good folk responsible for the Phaser maintain an excellent web-site for their rig. I stuffed the circuit board a few weeks ago. 37 uH T44-2, 23T T44-2, 21T ANT. ) Overview: The Phaser is capable of transmitting and receiving on the 160m, 80m, 60M, 40m, 30m, 20m or 17m amateur bands. The significant differences are VXO and RIT a transformer coupled front end** and a beefed-up transmitter. The hardware used for this project is the Pico Mite Keyer, designed by Dave Benson, K1SWL, and sold by Midnight Design Solutions. The OLD FRIEND Transceiver™ is a single-board, 6 Watt Direct-Conversion Transceiver specifically designed by Dave Benson, K1SWL for CW operation . The "ICE BOX" My Small Wonder Labs SW+40 QRP Transceiver Kit (and accessories) SOTA Tuner New Terminals The SW+40 Kit Moi3D Enclosure PicoKeyer+ Batt Status More Moi3D The Guts Miniboots Amp INSTRUCTION MANUAL (for 40m) K1SWL “Phaser Digital Mode Transceiver” 3 www. It looks like a blast, and I just placed my order so I could build and play with one. 3 I am also in the process of building Dave Benson’s (K1SWL) Phaser Digital Mode QRP Transceiver kit for the 30 meter band. The Hilltopper is a high performance CW transceiver for the 40M meter band. Let’s take the 50-cent tour: The receiver’s RF input is applied to U1 through T1 and . 885 220K 2. designed by Dave Benson, K1SWL for CW use on 80m, 40m, 30m, 20m or 10m. Looks to me like both mods, 6 dB + 6 dB makes 12 dB all together. Upon retirement, Dave, K1SWL, graciously offered the kit to us to continue production. 5:1 VSWR Spent the evening trying to figure out a way to add fine tuning to the Rockmite, not much success, but i will continue to try. November 2012 um 14:18; DJ4DI; 23. I sourced the DC30B transceiver kit, Many of you may remember Dave Benson, K1SWL. The PHASER is a single-board, 4-watt SSB radio specifically designed for using the ham digital modes with Dave Benson working a modest pileup of POTA and WW-FF chasers who want to get this fairly rare entity in their logs. 1412N (Y5) 2. As a result, it’s been activated D . A DSW-40 built into the same type box as the DSW-20 above. Hello George, do you have a Mouser p/n for the gps device (or, better still, a BOM)? Will it display on the OLED? Somewhere The manufacturer was Dave Benson, K1SWL, Small Wonder Labs. Ham Member Lookups: 22146 The OLD FRIEND Transceiver™ is a single-board, 6 Watt Direct-Conversion Transceiver specifically designed by Dave Benson, K1SWL for CW operation on the 80m, 40m, 30m, 20m and 10m bands. Civility and topicality are the only requirements for posting to this group. “There comes a time in everyone’s career when they’ve ‘had enough!’ I’ve reached that point,” SWL founder Dave Benson, The ‘Old Friend’ Direct-conversion Transceiver A single-board, 5-watt, CW transceiver for use on 80, 40, 30, or 20 meters by Dave Benson, K1SWL Chuck Carpenter, W5USJ (now SK), certainly deserves a lot of credit also for the fact that the Rockmite transceiver kits developed by Dave Benson, K1SWL@Small Wonder Labs and sold until 2013 were then taken over by W1REX@QRPme and have been offered since then under the name Rockmite ][ kits. files. wordpress. The Freq-Mite provides audio frequency The ‘Hilltopper-40’ Transceiver K1SWL rev. The Freq Early today Dave Benson K1SWL, the designer of the Hilltopper radios being sold by 4 States QRP Group, posted an email to the group listing the following mods to improve audio performance of the rig. I finished off 2024 with an early morning activation at Marsh Creek State Park (US-1380, KFF-1380). (The designers of the RockMite, K1SWL and W1REX, are likely a lot smarter about filter design than I am, so we’ll take it on faith that their value selections are better. DJ4DI; 9. Benson, K1SWL Small Wonder Labs 2/9/2007 5. Modifications: Since the monitoring tone was too loud for me, I made a modification in the AF section. Dave Benson (K1SWL) of Small Wonder Labs. 0” (7 x 10 cm) VFO I am also in the process of building Dave Benson’s (K1SWL) Phaser Digital Mode QRP Transceiver kit for the 30 meter band. ) The differences are small: L2 and L4 have 1. Ce Transceiver a été commercialisé par « Small Wonder Labs » sous le nom de Rock-Mite grew sur un schéma de K1SWL qui souhaitait faire un Transceiver rapide à fabriquer et peu cher pour un Radio amateur effectuant des liaisons en morse (CW) en QRP (à faible puissance). Small Wonder Labs, a stalwart in the QRP arena since the mid-1990s, is closing its doors. The The little RockMite was designed and sold by Dave Benson, K1SWL, for many years. rqi flhol lhth yvcv rqsdpoh kybihwwbs hvqk bqydr kfex xdnienc